Geometric shapes and gemstones steal the show. TOUS Pack of Straight hooped earrings of varying sizes in rose silver vermeil with turquoise, spinels, pearls, ruby, tsavorite, amethyst, orange sapphire, peridot, citrine­, iolite and blue topaz. Push back. Hoop sizes: 2.1-1.6-1.5-1.3 cm. Vermeil is a layer of 18kt gold on sterling silver with a minimum thickness of 2.5 microns, with no other material between them.